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Welcome to the main channel on the development of MoarVM, a virtual machine for NQP and Rakudo (moarvm.org). This channel is being logged for historical purposes. Set by lizmat on 24 May 2021. |
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| MasterDuke | maybe set_size_internal() should adjust the nursery? | 00:54 | |
| nine | What do you mean by adjust the nursery? | 07:13 | |
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| timo | nine: when we create objects that have some amount of unmanaged memory to go with them, we also move the nursery limit back a little bit, so that the next GC comes sooner, because otherwise GC won't start by itself when memory runs low | 09:28 | |
| since an VMArray's object is so small, you could easily accidentally use up gigabytes of memory in unmanaged allocations with only a tiny fraction of the nursery used up | 09:29 | ||
| of course you can still make an array that's a hundred gigabytes big with just one array, but the "adjust the nursery" is for the case when you have many many medium-sized objects, especially when they are short-lived, you need gc to step in earlier to ensure you don't run out | 09:32 | ||
| spesh bug, spesh bug, what'cha gonna do, what'cha gonna do when it comes for you? | 09:55 | ||
| doing the usual spesh osr disable, spesh inline disable, plus spesh blocking and maybe spesh bisect could be helpful | 09:59 | ||
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